Winterizing Question
In the winterizing process, after emptying the black tank and using compressed air to blow water out the black tank flushing line, am I correct in assuming that I do not restore any black tank sewage ...
Forum Discussion
LVJJJ wrote:
It's the water under pressure (or at least fills up the pipe) that is left in the small supply pipes that will expand when frozen and split said pipe.
It's water in any confined space. I've seen a little bit of water trapped in the threads of a water filter canister split the threads of the cannister. I've had lawn sprinklers split open even though they where not capped and there was room for water to expand. I've had a small drop of water in an air compressor filter drain split the drain valve open. I'm not about to risk having a sewer valve split open because there was a little water between the blade and valve body - not when it's so easy to prevent with just a little antifreeze.
